The 30 Day Notice Letter To Landlord is a crucial document in Swiss tenancy relationships, required when a tenant wishes to formally terminate their lease agreement. This document is governed by the Swiss Code of Obligations and various cantonal laws, which set specific requirements for format, content, and delivery method. The letter must be used in situations where the lease agreement permits a 30-day notice period, though it's important to note that standard Swiss residential leases typically require longer notice periods. The document should include specific details about the property, parties involved, termination date, and arrangements for property inspection and key return. In some cantons, particularly those with housing shortages, an official form must accompany this notice. The letter serves as legal proof of the tenant's intention to terminate the lease and protects both parties' interests by clearly documenting the termination process.

1. Sender's Details: Full name and current address of the tenant(s)

2. Date: Current date of writing the letter

3. Recipient's Details: Landlord's or property management company's full name and address

4. Subject Line: Clear indication that this is a notice of termination (Kündigung/Résiliation/Disdetta)

5. Property Identification: Complete address and any relevant identifiers of the rental property

6. Formal Notice Statement: Clear statement of intent to terminate the lease and the intended vacancy date

7. Current Lease Details: Reference to the current lease agreement including its date

8. Key Return Arrangements: Proposed arrangement for property inspection and key return

9. Forwarding Address: New address for future correspondence and deposit return

10. Signature Block: Space for tenant(s) signature(s) and date